# How to calculate mean using sentry ca656 calculator

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Press shift and cal in stat mode then presss value and them m+ then value the m+ them press x-m buttom its mean......

Posted on Nov 29, 2013

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Posted on Jan 02, 2017

Press mode Period. This switches to COMP mode.

Posted on Sep 09, 2008

6(2y)-1-2(2Y)=6

Posted on Sep 17, 2009

SOURCE: I have a CA656 model

1. Press MODE 9 to shift into Normal display mode, or MODE 7 and enter the number of digits you want to see.
2. sin 30 EXE. Be aware that the result depends on the angular mode. Most math problems are specified in radians, while your example sounds like it's in degrees. To select degrees, press MODE 4. To select radians, press MODE 5.
3. 30 * sin 30 EXE. Everything in #2 above applies.

Posted on Aug 17, 2010

The EXP key is what's marked EE on most calculators and adds a decimal exponent. 2 EXP 3 means 2*10^3 which is 2000 as you've discovered.

You need to use the x^y key (just above DEL) instead.

Posted on Sep 22, 2010

http://www.sentryindustries.com/pdf/instructions/CA756_instructions.pdf

Posted on Sep 23, 2010

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## Related Questions:

### (2m^3)(3m^-1)^3/(3n^3)(5n^2)'

If I understand correctly, you want to type this :

If so, then your formula must look like :

((2m^3)(3m^(-1)))/((3n^3)(5n^2))

Feb 24, 2011 | Sentry CA656 Calculator

### How to use sentry ca 656 calculator for exponential forms in positive and negative ? when i am trying to do 2 to the power of 3 , it is giving me answer as 2000.for this i pushed 2 button than EXP than 3 ....

The EXP key is what's marked EE on most calculators and adds a decimal exponent. 2 EXP 3 means 2*10^3 which is 2000 as you've discovered.

You need to use the x^y key (just above DEL) instead.

Sep 22, 2010 | Sentry CA656 Calculator

http://www.sentryindustries.com/pdf/instructions/CA656_instructions.pdf

Sep 03, 2010 | Sentry CA656 Calculator

### I have a CA656 model calculator. First, how cann I get it to show teh full answer to my math problems in decimal form. It is rounding to a whole number. Next, how can I calculate sin 30? What steps...

1. Press MODE 9 to shift into Normal display mode, or MODE 7 and enter the number of digits you want to see.
2. sin 30 EXE. Be aware that the result depends on the angular mode. Most math problems are specified in radians, while your example sounds like it's in degrees. To select degrees, press MODE 4. To select radians, press MODE 5.
3. 30 * sin 30 EXE. Everything in #2 above applies.

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Hello,

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I bought a new product and I will never purchase this brabnd again.

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to clear the BASE-N display off the CA756 Sentry graphing calculator press [mode] and [+]

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