Relying on the taylor series expansion works if all you need is an approximate answer, but if you want to, say, calculate a logarithm to two or three decimal places (or at the very least, significant figures) in your head, it's not a very efficient way to go about it.. Doing multiplication without a calculator requires you to memorize the multiplication tables. do multiplication without a calculator with help from a professional private tutor in this free video. Calculate the modulo operations given below (without the usage of a calculator): $101 times 98 mod 17 =$ $7^5 mod 15 =$ $12^8 mod 7 =$ $3524 mod 63 =$ $−3524 mod 63 =$ ok with calculator i have no problem with it. however, i need to learn how can i compute them without calculator..
Plotting a sine wave — how to think like a computer
When you need to crunch numbers quickly — and i mean really quickly — there's a cool method you can use to multiply two numbers together in just a few seconds.. this is great when you need to speed through multiplication homework, and is also good for impressing your math teacher or peers, or as just a cool party trick (depending on your crowd).. Doitinyourhead.com is many things: mental math, arithmetics, math games, math training, remedial math practices. it is also ideal for: getting rid of the calculator, doing math without a calculator, doing math in your head, practice doing math in your head.. Learn to calculate numbers quickly without a calculator with the list universe's 10 arithmetic tricks. using one of the mental shortcuts, you can calculate complicated operations in your head.
