Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options not deleted user 30525

Challenges related to elementary arithmetic.

1 vote

Print multiplication tables by input

Fourier, 15 bytes I~N11(i*Noi^~i) Output for input 20: 020406080100120140160180200 Since unseparated output is allowed. Try it online!
Beta Decay's user avatar
  • 23.4k
1 vote

What do you get when you multiply 6 by 9? (42)

Noether, 24 bytes {I~a6=I~b9=&}{42P}{ab*P} Try it here! Explanation: { } - If I - Push user input ~a - Store top item of stack in …
Beta Decay's user avatar
  • 23.4k
5 votes

Use xkcd's formula to approximate the world population

Python 3, 134 bytes Works well but seems a bit long from datetime import* y=str(date.today().year) z=int(y[2:]) m=str(60+(z-int((int(y)-2005)/4))) print("%s.%s"%(m[0],m[1]),310+(z-10)*3)
Beta Decay's user avatar
  • 23.4k
2 votes

Compute the Digit Difference Sum of a Number

Python 3, 125 bytes I used to like the shortness of regex until I tried to use it for this challenge...re.findall('\d\d',s,overlapped=True) is not on ;) s=input() p=int x=p(s) while p(s)>9:g=str(s); …
Beta Decay's user avatar
  • 23.4k
3 votes

Subtract the next numbers

Fourier, 34 bytes I~No~OI~P>0{1}{@P+N(N^~NO-N~ON)Oo} Try it online!
Beta Decay's user avatar
  • 23.4k
0 votes

Reciprocal of a number (1/x)

Fourier (Non-Competing), 79 bytes 1~RI~X<0{1}{0-1~R45a}X*R~XL*2+2/2~UX{1}{0~U}10P10/X~DL+U~p10Pp~TD/To*T~A46aD-Ao Try it online! This is non-competing for two reasons: Firstly, it does not fulfi …
Beta Decay's user avatar
  • 23.4k
0 votes

Raise integer x to power x, without exponentiation built-ins

Fourier, 19 bytes 1~YI~X(Y*X~Yi^~i)Yo Try it on FourIDE! Multiplies Y by the input X number of times and then outputs Y. FYI, the standard way to do this would be I~XPXo Where P is the power f …
Beta Decay's user avatar
  • 23.4k
1 vote

Wait, but what's e^N?

BBC BASIC - 44 bytes (with tokenisation) - 15 = 29 Put this after the END statement. Arguments are the same as a+bi = (a,b) Code DEFFNf(a,b)e=EXPa:=STR$(e*COSb)+"+"+STR$(e*SINb)+"i" Usage imag …
Beta Decay's user avatar
  • 23.4k
0 votes

Calculate Standard Deviation

Python, 57 bytes lambda l:(sum((x-sum(l)/len(l))**2for x in l)/len(l))**.5 Takes input as a list Thanks @xnor
Beta Decay's user avatar
  • 23.4k
4 votes

Two Symbol Math

Python 3, 267 bytes Thanks to @ConorO'Brien import re q=re.sub g=lambda m:'--'+m.group()[1:] h=lambda m:'/(1/'+m.group()[1:]+')' i=lambda m:'0/'+m.group()[:-2] print(q(r'\*[^\(\)]+',h,q(r'[^\(\)]\*0 …
Beta Decay's user avatar
  • 23.4k
3 votes

Calculate power series result

Noether, 17 bytes I~xI(ax!i^+~ai)aP Try it online! Explanation I~x - Store the input in the variable x I( ) - Loop until the top of the stack equals the input n a …
Beta Decay's user avatar
  • 23.4k
1 vote

Find the Factorial!

Fourier, 18 bytes 1~NI(i^~iN*i~Ni)No Try it online!
Beta Decay's user avatar
  • 23.4k
21 votes
34 answers
3k views

Calculate Standard Deviation

Challenge Given a list of numbers, calculate the population standard deviation of the list. Use the following equation to calculate population standard deviation: Input The input will a list of …
Beta Decay's user avatar
  • 23.4k
1 vote

1, 2, Fizz, 4, Buzz

Frink, 131 bytes This is still to be golfed, but because the docs are bare bones, it will be golfed through experimentation for x=1 to 100 { if x%15==0 { println["FizzBuzz"] } else { if x%3==0 { pri …
Beta Decay's user avatar
  • 23.4k
0 votes

1, 2, Fizz, 4, Buzz

Fourier, 81 bytes |`Fizz`|F|`Buzz`|B1~i100(i~X%15{0}{1~XFB}X%5{0}{1~XB}X%3{0}{1~XF}X{i}{Xo}10ai^~i) Try it on FourIDE Who knew such a simple task would yield such a mammoth of a program! Pseudoco …
Beta Decay's user avatar
  • 23.4k

15 30 50 per page