david hansen

david hansen submitted Solution 868669 to Problem 42471. Make a full wave rectifier

on 8 Apr 2016

david hansen submitted Solution 868667 to Problem 42470. Make a half wave rectifier

on 8 Apr 2016

david hansen submitted Solution 868649 to Problem 42467. Add offset to a signal

on 8 Apr 2016

david hansen submitted Solution 868645 to Problem 42467. Add offset to a signal

on 8 Apr 2016

david hansen submitted Solution 868132 to Problem 42468. Produce a sine wave

on 8 Apr 2016

david hansen submitted Solution 868131 to Problem 42466. Add a block to a model

on 8 Apr 2016

david hansen submitted Solution 868130 to Problem 42469. Produce a cosine wave

on 8 Apr 2016

david hansen submitted Solution 868128 to Problem 42465. Connect blocks in a model

on 8 Apr 2016

david hansen received CUP Challenge Master badge

on 8 Apr 2016

david hansen submitted Solution 868124 to Problem 1974. Length of a short side

on 8 Apr 2016

david hansen submitted Solution 868122 to Problem 2020. Area of an Isoceles Triangle

on 8 Apr 2016

david hansen submitted Solution 868118 to Problem 2016. Area of an equilateral triangle

on 8 Apr 2016

david hansen submitted Solution 868114 to Problem 2023. Is this triangle right-angled?

on 8 Apr 2016

david hansen submitted Solution 868111 to Problem 2019. Dimensions of a rectangle

on 8 Apr 2016

david hansen submitted Solution 868110 to Problem 2017. Side of an equilateral triangle

on 8 Apr 2016

david hansen submitted Solution 868109 to Problem 2024. Triangle sequence

on 8 Apr 2016

david hansen submitted Solution 868104 to Problem 2018. Side of a rhombus

on 7 Apr 2016

david hansen submitted Solution 868102 to Problem 2022. Find a Pythagorean triple

on 7 Apr 2016

david hansen submitted Solution 868099 to Problem 2015. Length of the hypotenuse

on 7 Apr 2016

david hansen submitted Solution 868098 to Problem 2015. Length of the hypotenuse

on 7 Apr 2016

david hansen submitted Solution 868097 to Problem 2021. Is this triangle right-angled?

on 7 Apr 2016

david hansen submitted Solution 868096 to Problem 660. Find a subset that divides the vector into equal halves

on 7 Apr 2016

david hansen submitted Solution 868088 to Problem 660. Find a subset that divides the vector into equal halves

on 7 Apr 2016

david hansen received ASEE Challenge Master badge

on 7 Apr 2016

david hansen submitted Solution 331045 to Problem 753. Solitaire Cipher

on 8 Oct 2013

david hansen submitted Solution 330474 to Problem 659. How long is the longest prime diagonal?

on 7 Oct 2013

david hansen submitted Solution 330472 to Problem 659. How long is the longest prime diagonal?

on 7 Oct 2013

david hansen submitted Solution 330468 to Problem 659. How long is the longest prime diagonal?

on 7 Oct 2013

david hansen submitted Solution 329110 to Problem 658. Find the biggest empty box

on 4 Oct 2013

david hansen submitted Solution 319029 to Problem 661. Spot the outlier

on 13 Sep 2013

david hansen submitted Solution 318472 to Problem 660. Find a subset that divides the vector into equal halves

on 12 Sep 2013

david hansen submitted Solution 318014 to Problem 722. Make a run-length companion vector

on 11 Sep 2013

david hansen submitted a Comment to Solution 316288

on 6 Sep 2013

david hansen received Commenter badge for Solution 316288

on 6 Sep 2013

david hansen submitted Solution 316288 to Problem 106. Weighted average

on 6 Sep 2013

david hansen received Promoter badge for Problem 729. Flag largest magnitude swings as they occur

on 6 Sep 2013

david hansen liked Problem 729. Flag largest magnitude swings as they occur

on 6 Sep 2013

david hansen submitted Solution 316286 to Problem 730. How many trades represent all the profit?

on 6 Sep 2013

david hansen submitted Solution 316280 to Problem 729. Flag largest magnitude swings as they occur

on 6 Sep 2013

david hansen submitted Solution 315211 to Problem 731. Given a window, how many subsets of a vector sum positive

on 4 Sep 2013

david hansen submitted Solution 315205 to Problem 20. Summing digits

on 4 Sep 2013

david hansen submitted Solution 315201 to Problem 751. Implement simple rotation cypher

on 4 Sep 2013

david hansen submitted Solution 315182 to Problem 19. Swap the first and last columns

on 4 Sep 2013

david hansen submitted Solution 315176 to Problem 4. Make a checkerboard matrix

on 4 Sep 2013

david hansen submitted Solution 283251 to Problem 1719. Dice face matrix!

on 16 Jul 2013

david hansen submitted Solution 283246 to Problem 1719. Dice face matrix!

on 16 Jul 2013

david hansen submitted Solution 259073 to Problem 167. Pizza!

on 10 Jun 2013

david hansen submitted Solution 259072 to Problem 120. radius of a spherical planet

on 10 Jun 2013

david hansen submitted Solution 247411 to Problem 5. Triangle Numbers

on 21 May 2013

david hansen submitted Solution 247410 to Problem 5. Triangle Numbers

on 21 May 2013