# What is Casio: Definition and 65 Discussions

Casio Computer Co., Ltd. (カシオ計算機株式会社, Kashio Keisanki Kabushiki-gaisha) is a Japanese multinational electronics manufacturing company headquartered in Shibuya, Tokyo, Japan. Its products include calculators, mobile phones, digital cameras, electronic musical instruments, and analogue and digital watches. It was founded in 1946, and in 1957 introduced the world's first entirely electric compact calculator. It was an early digital camera innovator, and during the 1980s and 1990s, the company developed numerous affordable home electronic keyboards for musicians along with introducing the world's first mass-produced digital watches.

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1. ### Calculators Unraveling the Mystery of "x^{\blacksquare}" on a Casio fx-82MS

Hi, PF The scientific calculator I have is a Casio fx-82MS. At the keyboard, the ##\fbox {^}## button is the one provided to calculate powers. My doubt is not my calculator: is a sentence at a native thread: "##x^{\blacksquare}## es la función" (the function is ##x^{\blacksquare}##). The...
2. ### Calculator Question (Casio) -- How to disable "Shift 9 = AC"

Anybody knows how to take this off because when I m doing for example 0.025 ÷ 2 = is showing the answer with a fraction.
3. ### Calculators Showing Digit Separator in Casio fx-cg20/10

I have been digging into the manual to figure out how to show digit separator (e.g 100,000). I do not seem to be able to find anything even though I have a vague memory that I have done it about a year ago. All I am managing to do is limit decimal places and show 100k instead of 100000. If...
4. ### Calculators RE- TI Nspire CX CAS vs Casio Classpad vs TI 89

HI y'all! I was just told by my programming teacher that I need a new graphing calculator. She told me to decide between the TI 89, Casio Classpad fx-cp400 (or fx cp500) or the TI-Nspire CX C.A.S. I don't know if greyscale or color matters though in the long run. I am a programmer and need...
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### What is BrickViking's experience in technology and computing?

I came to this forum having followed a thread about calculator comparisons (mathematics), but I'm intending to fill out my maths knowledge then support it with more physics information and comp sci. I've been knocking around on the Internet since about 1996, and had rattled around on some BBSes...
6. ### Can the Casio fx-991ES PLUS Solve Equations with 4 Variables or Display Graphs?

How can we solve equation with 4 variables in this calculator? For 3 it solves in equation mode. Or the 4x4 matrix is not there? Can the calculator show graphs?
7. ### TI Nspire CX CAS vs HP Prime vs Casio FX-CP400

Hello everyone. I am going to be purchasing a good graphing calculator soon. That being said, I will hopefully be going to college to get a degree in aeronautical engineering. So what do you all think is the best of those calculators? I have been leaning towards the Casio CP400 because of the...
8. ### How to import text file to casio fx-cg20 calc?

DOo somebody know how to import text to casio fx-cg 20?
9. ### Casio Program Help for AP Calc Riemann Sums

Hi brand new to the site. I keep on having a syntax error when I run the code below on my casio fx-cg10. Btw I also put a display triangle on the last m as well
10. ### Why Does My Calculator Show an Error with Tanh of a Complex Number?

As the title shows, I want to do they hyperbolic tan of a complex number, using my calculator (casio fx100ms) but I keep getting a maths error, whether I do it using the tanh function or if I try the (1-e^(-2x))/(1+e^(-2x)) Any help would be awesome. Thanks.
11. ### Best calculator for electrical engineer

Hi I need best calculator for electrical engineer ( communication or computer networks) I think ti-89 for DE solver read about casio and hp but still need advance for pro. Thanks
12. ### Which calculator purely for algebra solver (with quadratics, cubics)

Hi and thanks for reading. I am looking for a calculator to use purely in exam or tutorial situations where I don't have access to a computer and need to solve algebra problems (usually hydraulics (mannings, specific energy equations solving for flow depth) or geotech related) where the...
13. ### Help Strange problem with scientific calculator.

Help!Strange problem with scientific calculator. I was doing chemical equilibrium problems where one of the steps required me to square the reciprocal. Which was (1/4.2x10^52)^2 The correct answer for this is 5.7 x 10^-106 but my Casio FX 115 ES calculator keeps showing zero. Can anyone...
14. ### Need suggestions for buying a calculator with HUGE memory

So my numerical analysis class requires me perform iterations involving huge expressions into my strictly NON-graphical scientific calculator. It often happens so that my current calculator (CASIO fx-911ES PLUS) does not allow me to feed in it a expression which goes beyond its input memory...
15. ### How to find large modulus on Casio fx-991 MS

Hi pals, I am looking to find a modulus calculation using my casio fx-991 ms calculator i know how to find modulus using small numbers eg: 7 mod 3 = 1. This because 7 = 3(2) + 1, in which 1 is the remainder. To do this process on a simple calculator do the following: Take the dividend...
16. ### Which calculator is best for solving complex physics problems?

Hello physics community, I am about to start my university studies and I am wondering which calculator to buy, a: TI-Nspire CX graphing calculator, Casio fX-CG20 graphing calculator or an HP 75mhz, 2300 functor, 3-1/5"x7-1/5"x9/10" graphing calculator. I simply want the best of the best, the...
17. ### Stepping down from an advanced calculator

This is kind of sad, but I'm beginning to realize how much I rely on my graphing calculator any more for solving equations and whatnot. I am trying to incorporate a much simpler calculator from time to time (CASIO fx-260) and am struggling with some very basic operations. Say I have the...
18. ### What Does a Chemist Have to Say? Borek's PF Insights Post

Greg Bernhardt submitted a new PF Insights post Interview with a Chemist: Borek Continue reading the Original PF Insights Post.
19. ### Calculators Which scientific calculator is better: TI-36X Pro or FX-115ES Plus?

I need to get a cheapo scientific calculator to replace my ancient one that just died. Any opinions on these two: TI-36X Pro (Texas Instruments) vs FX-115ES Plus (Casio)
20. ### Programmable scientific calculator (similar to Casio fx-911se plus)

Hi. I'm looking for a calculator similar to the Casio fx-911es plus, but with programming capabilities,or at least simply a small expression that I can write and save to. The fx-911 is mostly good, but it annoys me that it clears memory on Power off (minus the 8 variables). I used to have...
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### Latest high frame rate consumer priced video cameras?

I'd like to get images at a frequency of at least 100 frames/sec to measure servo arm speeds (including acceleration from rest) under various torque loads. This is for personal research associated with RC helicopter accessories, but as a high school physics teacher it seems it would be good for...
22. ### Calculators Is a Graphing Calculator Necessary for Engineering Studies?

Graphing Calculator---worth it? I plan on majoring in either computer engineering or electrical engineering (have yet to take any related classes, so we'll see how long that lasts) and my calculus 1 teacher recommends that we have a ti-83 or 84 (made it through precalc with a B without it), but...
23. ### Solving algebraic inequalities

Homework Statement Solve the following inequalities. Do each one algebraically then check your answers using your calculator's ability (Casio Classspad 330) to solve the inequalities and/or by viewing a suitable graph on your calculator. Homework Equations SEE IMAGE The Attempt at a...
24. ### Is there a CASIO calculator end of line way?

Is there a CASIO calculator "end of line" way? Without starting from the beginning and pressing 'back'; from being already in editing of previous data. Model is fx-115MS
25. ### Calculators [casio fx-350ES] How to input an equation with 1 variable in a calculator

Hello everyone, I was just going through the manual of my casio fx-350ES calculator to find out how i can input an equation with one variable. let's say the equation below: (t/5)^1.514 t being the variable Then i would like to input a range of values for my variable, t so that i can...
26. ### Calculators Is a CAS Calculator Worth the Extra Cost for a Mech Engineering Student?

Hi all, I know this is very subjective and probably ask a few hundred thousand times. I'm an mech engineering student looking to upgrade from my ti 83. I know atleast so far my math classes won't allow a CAS capable calculator, and that you can get the interchangable keyboards to remove that...
27. ### TI TI Nspire CX CAS How do I input full fractions and 84-Plus mode?

I have been trying to figure out how to plot a differential equation using my TI Nspire with very little luck. I managed to find that I can set the graph of the calculator to a directional field but I am not 100% sure I am getting the right results. So I figured I would ask to see if anyone here...
28. ### Calculators A proper calculator for Christmas

Hai, calculators connoiseurs, hope you can help this lost lamb. Non-connoiseurs, come in, you might learn something from our experts in the field :biggrin: Now...I've used a Sharp EL-506W for four and half years. Its main drawback is the lack of a proper way of representing big huge equations...

38. ### Infrared Remote Control Watch Used to Unlock Your Car?

Hello, I have purchased a Casio CMD-40B watch. It functions as a remote control for your TV and Cable boxes. How it works is, you look up the specific TV's "code", tell it to the watch, and your watch now acts as the TV's remote control. Here is the Watch Manual...
39. ### I can't work out how to use my calculator pleae help exam sunday

[b]1. I have two calculators. including the Texas inspire cx. I can't make either of them work reliably on trig questions. I have an exam sunday and i need to be sure how to use my inspire. [b]2. Summation: [50][0.5] + [50][0.07cos35] + [100][0.1cos35] = 13.55 [b]3. Now i got this formula off my...
40. ### Conversion of Irrational roots for cubic functions and higher

I have been seeing a few during in my practice questions which leaves me worrying. If it is a quadratic function, the irrational numbers can be easily obtained using the equation. However, I got a question today which eventually took this form: 28D3+36D2-41D2+4 = 0 (I reevaluated...
41. ### Calculators Texas ti89 or casio classpad 330

hi, i want to buy a new calculator because the old one is too weak but i can't decide between the texas ti89 and casio classpad 330. please help me, as an electrical engineer which one is better and what's the diffrence?
42. ### Preparing for AP Calc w/ Algebra FX2.0 Plus - Finding Area & Past Papers

As I needn't use graphic calculator at school, I'm still not very familiar with my newly bought algebra fx2.0 plus:-( and I'm now having troubles. :-( Can this calculator find area between curves? also, can it find area bounced by a polar curve? I can only find area under curve by...
43. ### Calculus With Casio fx-9860G AU

Hello All, I am currently working on DeMOIVRE's Theorem, but when i am converint from polar to complex and vice versa i alwats get my numbers as a decimal that is insanely long and i kno wfor a fact that its just the square root of something. Is there a way to program my calculator (Casio...
44. ### Casio fx-9860G - calculating binomial coefficients and binomial distribution

How to calculate 1) binomial coefficients and 2) binomial distribution on a Casio fx-9860G calculator?
45. ### How Much Waterproofing Do Everyday Electronics Really Have?

http://www.cnn.com/2011/TRAVEL/01/05/canada.flight.diverted/index.html" The multi-function displays we used in the Air Force were at least water resistant, so either that was one heck of a coffee spill, or it somehow worked its way into the inner electronics! How much consideration is...
46. ### My calculator gives wrong values

I use a Casio fx-991MS calculator. I observed this strange thing during some calculations. Setting up the calculator in radian mode, I found out the sines of various angles (multiples of π) display showed 0 for lower values. However when I entered angles from 1201π onwards, the answers were...
47. ### Gaussian Modeling and Calculators

I'm trying to figure out how to enter this into my calculator and get a graph, but I think it may be underpowered. I have a Casio fx-9860gii, to be clear. The problem is: y=0.0034e^-(x-515)/26,912 200 greater than/equal to x smaller than/equal to 800 Thanks for any assistance. :-)
48. ### How do I do log to the base 2?

On my calculator I have a log button which is log to the base 10 and I also have a natural log button. How do I input log to the base 2 on a calculator? So far the only way I know is to go log(x)/log2 = y for instance if I'm trying to find log to the base 2 of the number 24 I go...
49. ### Calculators Which brand of graphic calculator is best

My son needs one for school, my friend who is a government scientist said Casio, however the last Casio watch I owned probably lost 5 minutes a day how could I possibly trust them to make an advanced calculating device?
50. ### Determine the probability that a random variable

Hello my question is stated below: Task 3: Determine the probability that a random variable (X) having a normal distribution with μ = 20.15 and σ = 6.27 minutes will take on a value less than 9.5. I've tried this: Standardised score = (9.6-20.15)/6.27 = -1.698 Now i don't know how...