An integral

Source: Alex Bolton (inspired by Book Proofs blog)
What is

Show hint

Show answer & extension

If you enjoyed this puzzle, check out Sunday Afternoon Maths LIII,
puzzles about integration, or a random puzzle.


Show me a random puzzle
 Most recent collections 

Advent calendar 2019

Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018

Sunday Afternoon Maths LXVI

Cryptic crossnumber #2

List of all puzzles


volume christmas rectangles taxicab geometry quadratics polygons folding tube maps money tiling multiplication crossnumber cryptic clues products circles time triangle numbers multiples planes spheres elections integers surds mean crossnumbers area probability menace colouring wordplay ave coins shapes chalkdust crossnumber remainders calculus numbers perimeter floors irreducible numbers rugby 2d shapes factors speed books averages probabilty geometry star numbers unit fractions median cards balancing advent trigonometry clocks dates scales addition indices the only crossnumber crosswords sum to infinity algebra means cube numbers arrows chess 3d shapes fractions square roots lines shape coordinates perfect numbers routes integration digital clocks doubling bases sums chocolate dominos angles factorials ellipses gerrymandering functions odd numbers differentiation parabolas grids number range palindromes partitions dice division prime numbers sequences percentages cryptic crossnumbers games graphs regular shapes dodecagons digits people maths hexagons pascal's triangle symmetry sport logic proportion triangles square numbers complex numbers squares


Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2020