How to add a program to your calculator
TI-Nspire (Nspire, Nspire CAS, CX, CX CAS)
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TI-84 (83+, 84+, 84+SE)
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Programs
M and A Finder (Factoring a trinomial) |
Compatiblity:
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When I took algebra in school, I learned to factor a trinominal (ex. x²+5x+6) using a method called M and A. Here is how to do it:
- Make a table with 2 columns and 1 row. Label the first column "M" and the second column "A".
- Multiply the coefficient of the first term and the last term. Put the product under the "M" column.
- Take the coefficient of the middle (second) term and put that under the "A" column.
- Think or list the factors of the number under the "M" column that add to the number under the "A" column. Take into consideration negative values.
- Once the two factors are found, rewrite the trinomial, replacing the middle term with the 2 factors and the variable.
- Factor the four terms.
- Purpose
- This program finds those 2 factors for you.
- Function
- ma()
- Parameters
- M value, any non-zero integer
- A value, any non-zero integer
- Global (can be accessed anywhere)
- Yes
- Note
- "M" and/or "A" should never be 0, otherwise the program will return nothing.
PerErr (Percent of Error) |
Compatiblity:
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- Purpose
- This program finds the percent of error of an estimated value and the actual value.
- Function
- perrerr()
- Parameters
- estimated value, any real number
- actual value, any real number
- Global (can be accessed anywhere)
- Yes
Rainbow |
Compatiblity:
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Have you ever found yourself bored after a quiz or a test and wanting to look at something mesmerizing? Here you go, it's a color-changing rectangle/square with adjustable speeds. The two GIFs below use the fastest speed setting.
Note: this was designed for the CX models (CX and CX CAS, the ones with a color screen)
Note: this was designed for the CX models (CX and CX CAS, the ones with a color screen)