Questions regarding calculators such as the TI-83 (Plus), HP 50g, and other calculator models.

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0
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2answers
47 views

Can i do the summation by only one single expression in calculator? How?

How to calculate the expression easily?
0
votes
2answers
63 views

Drawing straight line graph with large scale

I was given the equation: $$y(x) = 10000x + 150000 ,~~ 0 \lt x \lt 60$$ and was asked to draw the graph. I know that it is a positive straight line intercepting through $150000$, but I don't know ...
3
votes
1answer
181 views

Math for Future Value of Growing Annuity

Am I working this out correctly? I need to verify that my code is correct... $$1000 \cdot \left(\frac{(1 + 0.1 / 12)^{40 * 12} - (1 + 0.06 / 12)^{40 * 12}}{(0.1 / 12) - (0.06 / 12)}\right)$$ ...
0
votes
1answer
27 views

When would a graphing calculator make an error while plotting a function?

It is possible for a graphing utility/calculator to plot a function incorrectly... What are some possible errors that may occur? What will cause those errors?
0
votes
1answer
56 views

How do I make my TI-89 evaluate a recursive function?

On my TI-89 I can assign variables recursively such as: $1\to x$ returns 1 $x+1 \to x$ returns 2 $x+1 \to x$ returns 3 etc. How could I do functions the same way: $x \to f(x)$ returns Done $2\cdot ...
0
votes
1answer
42 views

Casio calculator for evaluating equations at different values

(this question is about recommending a calculator, I already asked in the chat and was invited to make an answer on the site) I'm taking Calculus 2 and I will go to Linear Algebra, Discrete ...
0
votes
1answer
49 views

Store a constant on a TI 84

On my TI 84 I have a variable E with the value 8.854e-12, ie. Epsilon not, which I use for my physics class. I also have G and M for 6.67384e-11 and 4pi e-7, both of which I have found I need for my ...
0
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1answer
35 views

How to calculate monthly payment

I have data inside spreadsheet and it is calculationg based on formula to calculate Monthly payemnt. Now I am implementing this functionality in my HTML using ...
0
votes
1answer
34 views

Where can I find a binary calculator that can do exponentiations, roots and logarithms?

I've searched on Google, but all I found was binary calculators that can do additions, subtractions, multiplications and divisions, nothing else.
0
votes
1answer
29 views

Graph single equation on calculator

Just got a new Casio fx-9750gII and just wondering, since you can store up to 20 functions, how do I choose to only graph a specific one at a time? And also to choose witch one to make a table with, ...
0
votes
1answer
16 views

Calcution's functionality & webapplication

Is there a application in Internet or a function in a calculator at windows 7 to make a caculation containing 400 and 360? It is easier to calculate if numbers have low numbers.
-1
votes
1answer
173 views

help - how to calculate distance between to points ( latitude/longtitude) without ACOS / ATAN

I need to calculate the distance between to points (latitude/longitude) in WebI (SAP system) and I have limited formulas there (don't have : ACOS / ...
3
votes
0answers
227 views

How does my $10\times10$ abacus work?

How does this $10\times10$ abacus work? More specific: Counting: is it common to count from 1 to 100, or from 1 to 9.999.999? How does addition work? How does multiplication work? Are there any ...
2
votes
0answers
225 views

Solving $x$ for $y = x^x$ using a normal scientific calculator (no native Lambert W function)?

Solving $x$ for $y = x^x$ using Lambert W function is clear enough thanks to this handy answer, but as I'm using the solution in a network support document I need it in a form that can be solved on a ...
1
vote
0answers
45 views

Differentiating using Calculator Trick with Definite Derivative

Differentiate $y=sec^2(x)$ Answer in Problem Set: $2x\cdot sec^2(x)\cdot tan^2(x)$ Answer in Wolfram Alpha: $2 \cdot tan(x) \cdot sec^2(x)$ We can always solve it manually, deriving and stuff; but ...
1
vote
0answers
30 views

How to use the BA II Plus financial calculator to solve for IRR and NPV?

I've calculated the answers manually but would like to learn how to do so on the financial calculator to save time on the test and minimize errors. How to do this? Problem: You have been offered a ...
1
vote
0answers
36 views

Can't draw negative $x$ values on HP 50G

I'm unable to find an option to change the range of the function I'm plotting on the HP 50G, can anyone tell me where it is? My graphs always start with $x>0$.
1
vote
0answers
54 views

How to make powers work right on a casio calculator?

I pressed some random buttons and it worked fine,but now its not working again. for example my calculator shows that -6^2 is - 36 and not 36, anyone know how to fix it??? My clculator model is casio ...
1
vote
0answers
205 views

Finding the eigenvectors using a calculator?

Can I find the eigenvectors using a regular calculator or a graphical calculator? ...
1
vote
0answers
1k views

Multivariable polynomial long division calculator

Is there code/online calculator that divides polynomials in multiple variables? The answers are always other polynomials, but they have many variables.
1
vote
0answers
603 views

Is there any derivative that the Ti-Nspire can't do?

A fellow student was showing off by quickly have his ti-nspire solve the homework problems. Just wondering if there is any derivative that the ti-nspire would mess up on. Just where is the limit ...
0
votes
0answers
13 views

ti-89 get p-value from text statistics

I was wondering if anyone may know how to get p-value given test statistics. For example, I may have $F_0 = 21.59$ and I have 1df for the numerator and 8df for the denominator. Any help is greatly ...
0
votes
0answers
37 views

Calculator to check derivative answer

I hope I am not off topic here, if so, feel free to remove this post. I have a Casio calculator (CFX-9850GC PLUS) that allows me to check if my derivation is correct. For example, if I want to check ...
0
votes
0answers
36 views

How to find the right way to pick a random selection

I love the website AnyDice (http://anydice.com). When I needed to make a dice game, it saved me hours of coding and testing. Now, I need something similar, but not for dice. I'm trying to do a ...