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It's a bit convoluted, and it only works for integers, but here's one way. Press MODE 4 to switch to BASE-N (integer) mode. If the screen doesn't read "Dec" then press the x^2 key. Now, to calculate m mod n, calculate m-m/n*n. No shortcuts, no rearranging. That's m minus m divided by n times n. You have to enter both numbers twice, but you will get the modulus.
Press MODE 1 to return to your previously scheduled calculations.
Hello, There is no such key, only powers 2 and 3 are given a specific key. To raise a number to any power (including 2 and 3) you use the general power key [^] or [X to the y] or [Y to the x] I do not have the calculator with me.
2 to the power of 20 is entered as 2[^]20 =1048576 ( If these were bytes , this number would be called 1 megabyte.