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+--- Thread: (12C) Sum and Average (/thread-11614.html)
(12C) Sum and Average - Gamo - 10-20-2018 07:28 AM
Program to find given first n natural number's sum and average.
Procedure:
Answer start with Average [X<>Y] then Sum
n [R/S] average [X<>Y] sum
Example: FIX 2
--------------------------------------
Find Sum and Average of 7
7 [R/S] 4 [X<>Y] 28
Answer:
Average is 4
Sum is 28
--------------------------------------
Find Sum and Average of 100
100 [R/S] 50.50 [X<>Y] 5050
Answer:
Average is 50.50
Sum is 5050
Program: Sum and Average
Code:
01 ENTER
02 ENTER
03 ENTER
04 1
05 +
06 x
07 2
08 ÷
09 ENTER
10 Rv
11 X<>Y
12 ÷
13 X<>Y
14 Rv
15 GTO 00Gamo
RE: (12C) Sum and Average - Dieter - 10-20-2018 09:52 AM
(10-20-2018 07:28 AM)Gamo Wrote: Program to find given first n natural number's sum and average.
Nice use of the stack.
But it can be done shorter:
sum = n(n+1)/2
average = sum/n = (n+1)/2
Code:
01 ENTER
02 ENTER
04 1
05 +
06 2
07 ÷
08 x
08 LstX
09 GTO 00Dieter
RE: (12C) Sum and Average - Gamo - 10-21-2018 03:19 AM
Thanks Dieter
You version is more refine.
Gamo