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

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2answers
46 views

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

How to calculate the expression easily?
0
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2answers
48 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
158 views

Math for Future Value of Growing Annuity

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

Evaluating a decimal exponent

The example I am stuck with is $(-1)^.456$. According to my calculator, the answer is -1. According to WolframAlpha and the Google Calculator, it is a complex number. WolframAlpha -- ...
1
vote
1answer
532 views

Complex number systems of equations fx-115es plus calc?

Anyone here know how to use the EQN mode on the casio fx-115es plus to find solutions to a system of equations involving complex numbers? Also, if that's not possible, what about entering complex ...
0
votes
1answer
30 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
26 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
30 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
33 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
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1answer
23 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
14 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
149 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
208 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
215 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
23 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
36 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
114 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
539 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
19 views

how to find $X^2_{0.95,14}$, $P(X^2_{9} \geq y) = 0.99$ in a TI-84 calculator?

Can someone please show the steps in how to find $X^2_{0.95,14}$ in a TI-84 calculator? My professor does not want us to use a statistics table, but to know how to use the calculator in quizzes and ...
0
votes
0answers
8 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
28 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
27 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 ...
0
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0answers
129 views

Casio fx-83gt - help! Linear Programming

Hi guys I'm studying a module called Operational Research and in particular linear programming. I am doing the simplex method and as anyone who studies linear programming would know, you need to ...
-1
votes
0answers
10 views

Trying to figure out a formula for calculating New APUSH Scores.

I will include all the information I have. Math is not my strong point by any stretch but I am trying to give my students an idea of how to work on problem areas. Here is all the info I have ...