Cfa level 1 corporate finance capital budgeting NPV

hello everyone i am new on that forum actually my maths basics is not that good i have one doubt of topic NPV i know that CFt divided by (1+r)t but what maths should i apply for result in ( 1 +r) is there multiplication or adding please help me

(1+r)^T is a power function. So you’re raise it to the T power. It’s not addition or multiplication. Google how to raise to a power and it’ll teach you.

thankyou analyst i understand npv concept can you tell me for solve internal rate of return concept should i use trial and error method or should i buy fiancial calculator is there any other method for solving quickly questions without time consuming process in trial and error method