t - tap on / off
p - plug in / out
m - man in / out
s - sing / silent
z - reveal / hide original graphics
This program was first created by the Investigations into Teaching with a Microcomputer as an Aid (ITMA). It was designed by Hugh Burkhardt, Richard Phillips and Malcom Swan. It was programmed by Richard Phillips for one of the first computers used in schools, the Research Machines 380Z.
The program and its accompanying guide was published by Longman in 1982.
A 2015 version for mobile phone was created by Richard Millwood, and this is derived from that.
Read more aout it and some of the other software made by ITMA at the National Archive of Educational Computing.
www.naec.org.uk/artefacts/software/micros-in-the-mathematics-classroom#section-9data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKAAAAB4CAYAAAB1ovlvAAATfElEQVR4Xu2dCXBU15WGf7XU2neptSOExC6hYnVsk/EyxnGCDY4XbMeFZzwDJJklcdW4psqOkzjEnpkkHk/G46mxjdeKiSdlzICDl4DZjGNsNmEjQCCDEdpXtLS21jrnvJZEd6u7dd/rJ0DoHIoSdJ9333v/+3Tuvefed2/Q4cOHBzHBLb1sAzLo7+Ww6pzvo4b+ihlTIEgFwM0nenFPvtXYGS7BUQLgJRB5nE4xJoDr93Rjflowtpb04pHrwjA/Pdjvpbzz9tu44cYb0djYCIslGLPnzB7xr66qQktLC+bm5/st4+SJE9r3Y/kNFyIAjhMdl6BYvwC+eKgHzZ2DePzGMByr68fjO7rxq2+FY16qbwjvv+depGdkYPGSJYiKiqRbCMK5c18jKSkJdbV1mDV7NuYVFuLdLVsQGhaKadNyUVlZgdzcPLS2tqK+rg62FJt26/fed5+SBCMAhkQACx8BHK1A6zlg+kqg7igQnQnUHgBSFwGfP+2/zGseA9orgZMb3f1m3A3k3gFs/1u3z6UKVnpEPp18AvjWlz0oINAKKfoN2/7yPvzLxw6/EDKAT/5yPdb//Ek8uHq1BtX727Zh1f33oaurGxER4QgKCtL+/eknn+CWW5dpoL30wgtoa21DZ2cn8gucEVI3gHzQdb9wAlT8CjDlJiDrRu2XAJ/R54Ha3IcIzDcFwEB1dDneK4DP/NmBb88I0SLdocp+bCQYf7s8Al29g/j0fB+eP9CD5+j/OQkWWOjZuhpXwQwOV6NcBR8vLkZYWBi+vfw72P7hn5Cbl6tFwV07d2Lq1Kno7+/XqtqiI0cw0D+Aru4utNvtmJqTY6wKZgBTFzgjn2bcx6KLdDQDYQlAVBqQOAtoPA5EUqSNTCEX8gmyAF+/D2TfDNQcIngZ3CH7bD1Q8fFQWe73KxEwMBpHAfjiQQdWFYQiKdJJ1mNU7T69LBwbDjuQGGHBA/OsOFrTj5/v6sYPrwnF7TNHd0727tmDm26mB+lhtbW16KbIlzMtBzXV1VpVbYa5tQFdIyBHrLhcJ4Cn3gJmPwi0lQGxOc6I+CiBt5/gGhygqvmXwA2/AXo7vVwS+TGEXkwADOwJugHIbbx/WhoKWxRFgyG7+60O3Es94N8f68XWB6NgHaqRP6vow9N7HVg524ofLAkd8T9aVIT/eObf8VcPP4zMrEwtEmZTpCs/fx719Q1oqK9HwbwCxMbFISw0DMm2ZJw9cxZ50/M0X89qlz+LiYnBlOxsn3c6CsDOOuDLF5z+1z3pBLB0EzBzlTuAd71HbcPDzshWvpui3y0+ziEABoaZ76NHANz9dR/sjkHcOWd0RNtX1oc5NosbmFxkMXVM/kxV8t9dEzZyhl//678hjuA6ffo0ln5zKeqoUxEcHIJsAigyMpJ6xw3Y9/E+6infgBkzZmIrdUYYvg/e/wD33HsPkpOTcSNFz+efew7p6ekoPV2Kn/zsp37vfwRAjmz5DwM91Ak58lvnMYWUo+vvpcjW7oyGDGf+XxNwe8jnWWDxP1N1ewNVsfucUXHeOuKx3/mXjwume+vrAk7/QSLgOFCoAchNoOP1/QimwPdFdT8SIy3ITQhChDUInxB83mxaogXXTQkZ9dW7W7fizu9+F/s//VQDLjQ0VPt5+NAh+hmlVb9VlI7JzMxEIvWMqyoqkUsAVlVW4VRJCbX75mptv/eo45Kbm+s1KnqeVFcahnvJ3BYc7pRwlc0R0EcVO5bmUgWPpZD/70e1AbX2ONVYHN0+KO1DKFW5X1Cbj1pJiAkNQkZMENp7gJKGfvTRh3fPtWLNootVcGCXM/rosnNlGrT+bATAFOp8cKqkkqJZ6kLAGk1tu6fcD7XGODsaZ//o/Dw01vmzp83QpQuAhmQbOWjMRLTe4jkNwymXgnmFlPtLxLY/bsP933sAVqtV691y1Kuvq0dKagpqamq0avbZ3zyDNd9fhy+KjuKmv7wZzc3NSEhI0JLW3BWKi4/XEttcPf9g7Tq89MrLbpflFgEfOgK8Sfk+ztslF3pPvyTPo15wsTNNU7FX7y26+QuAAcmHcQGQe8DzFyzAzp0foaujEwsXL9Kq1Vde2kAAJtLoyBzt/2+89rrWNuTq+RdPPYV3t25BY0MjMqh3zMnovXv2wmazaWV9VVqqRcKPdnzkH8Dv7QfKdgAJM4Dmr4ABCtfc/gsOpyT1j4FjnB+kNt++x4HrqYNy+m3AQk2J6Cynb1cT9ZYfoAi5zZma4eS2ZxR10VwAvAIB5AiYmZWFD957HyEhIbh+6VIc+PxzcBrmG9deS1mPAUTSKEnJyRLqgEzHUcoBPkS95j27d6HH0YOenh7csXKFNlrCoFZSO9Fub8PAwCCqKX3jNwIygP97PVXFt1M1vIQi4V3A7+YTgNRM4F7vO7c6k9XcBuSflRQBORJyurCecocp5FtNZXBK5k2qxsPiKIfY4lNlAfAKAzCwyzF29EgVzENtd38IvEdDeAU0ZBYzhXpXrwNTl9EIxu+AW6nq3v43ztQMdzqupd71+Z3OCJh2DSWvi4YugGis/4LKeJh6yv9JkHIS2rsJgMae2fBRplfBRYeP4OCBAzScVoC/oFSLXisvL9d6yNwj5jJUTFcv2F+Bd1G1e44A5tGR/RQdFUwAVBDJj4tfALlW4uE3Tsd4jLj5LJI7IX94ZxMcDgdepjZfS0szVqxcibc2/l4bB84vmEedjAsoPlaMlJQUrLhzJSWiz2jlcdtw86Z3kJaepk1e4BEVmy0Ftyxbhj17dmtDdTzO7GmmAcgFW6iq5ragogmAikL5cBsB8NEPu3CqcQArZoWg2j6II5QP9Gbfmh4C29AwHX/vOWHhiccex4KFCxAbG4fdu3bRbJdpSEpOohGQBq1jUTh/Pt58/Q00Uw93/oL5iKcebvGxY9q48Y8e+TEloP+L/FIITpuWA+Q2YFhYuBYRb19xh9fxYVMB1KmnAKhTMA93DUBH3yB20kiIt3FdV38eAy6hhDUb5wX76J+LMoNHTc/ilAlHMJ71UnbuHPVep8He1gZLcLCWjulob8fPnvgpHnviJ8iizgoPz1kpYR0dHa35RVDimicp9Pb2av6nS05hx/bt2vf/SJCOawTUqacAqFMwbwAGVoSxo3naFY+QqBpPXkijnCFD7d0u15sFqo0T1TudXH6md0LCOtoQ1mHXVOyOjkVPJI08iIkCPhQwDcCo5gbE15YjiHJ8rjZAExFa0rPRGZckD0EUGKWAKQAmVZxBRBtN+PRj7YkpBOJUeQSigJsCAQPIkS+hukxJ1gtZeRQJE5V8xWlyKBAwgJknDyOIp9AoGFfH1bNpxoqYKDCkQEAARrReQFLlWV1iNuTMhiNKOia6RLuKnQMCMLa+CrEN1brkabNloC2FXpMUEwVIAQFQMLisCgQEYGRrExIrv9Z1Aw05s6gKHpqFrOtIcb4aFQgIQBYk6wS9Q6toAzQUVz2b5tiJiQJmdEK4jKgL9UioOa8k6IXMXHTGS0JaSaxJ4hRwBGSdks+XIrydXoX0Yx3xyWjOnDZJZJXbVFXAFACHI6E2FOeRExykaVbNPBRHAIqJAp4KmAbgcMGcG7Q66EVusp6IKHTHxIvqooBPBUwHkM/EADKIgxYL2pPSMOhzCpU8mcmugKkAMnTcIbH0u6+m0B0dp7X/+kOu3FVWJzsIl+v+TQMwrrYCMU21Pu+D4avPyxcIL9eTvkLPawqAPAnVVnZ6zFvkSNg4deaYfuIweRQwBcCkirM0H/CCkmo8G4ZnxYiJAqyAKQDqGQ2RyQgCnqsClxxAe3IaWlNpxQIxUeByRECZlCrcmR4Bk8q/QoTd9wI+npJX5tOiQWKigFkRUO/EVJkVLewNK2BKGzCGZkXH0exoVZOOiKpSV7+fKQCG9PYgrfRLZbXkFU1lqa56R1MAZJX0pGIGaeXRqrm0lp9Os/T10bSvFprkEI0+WrBIbOIrYBqAGSVFsAx4X1HLm0yqHRFrdyeiWhoR3UTbK7hYb3gkWunlJpltM7EhNA3AeJqEEE2zo1XtQhbNjvazXAevL8Nty3Aa5vNn/Ipna0oWrUFDK+KLTTgFTANQb0/YV0cktKsDcXWVtMCRvm0TOhJsaM7IGZcH8MqBbqVyF2aFYGGmDDMqiTXkZBqAet4N4XN7TtG39PXS4kYV4DftjFo/LYjeTO+d8KQHs6zOPoA733Cu9qVin//IvHOrnG+i+5gGYBC1/zKpHajHhtuB0Y21iK+r0HOoX9+umARwFc8TYs2wH27uoB2kvO8Y5Vr+bbRx4/rb1Nc8NOPaJnoZpgHIQujpCbM/T82Krz6PkF6H6ToO0LsoTdnTTX8HmVeF/eb/OF/AkmgX+GMzFcC0r44hpMd8mAK5zS56J6UpmzatMckEQJOEHCrGVAD1dkTMvRXfpfVbQ8HvJJuxKJIAaO5TmxQADktmT06nqWC0JVcAJgAGIJ6XQ00FMNzeiuTyUnOv0OTSOApyuqYvVH0kZdOXDrx9rAcVLe7LD/u6tLW0f/Lab6iXb/ItTqjiTAXQSEdEVS3O87WkTdFe+YyrpTxhp3pqxPMc3DuuzStAP+3YPpb9/f91oKhq7B6wazkC4FiqXvz+igeQc3oMXl8Y7VrpYvwOSnxNOYIpf2jEumIT0DRlut9D/2FLB45U6oOPCxQA1Z+I6QAmnz9NEwb0jWJ4u1we62XwxlrKLaaepoI1qE8Fcz2Xv/Fojnoc/YyYAKiumukABtoT5pkyLRlTtZESVeMX4ROqzumalc1l+wPw13u6sOX4xT3jpidb8KvlUciKMye5rXpvV7uf6QDydg28bYMR49ktdlrC16iFdrY7x5EV24f+ALz2effVvv77rigsprFeMXMVMB1AvjzbuVPKELA/R7vWtGx6XzjYlLuLoPHkBGofei4R4lp4Z2wiLkzJ83k+TwBl1MOURzOqkHEBkMeFk+lFpeEtu3xdOm/l1Zqajd5w9w6GWbfqqznAq3bxeyn+xopdAeTd4D67yiYZHKFd6hctcp8UfIa2zeW9miMixud5eHuu4wLg8IkYQJ5WxUDyEB2nPXiMltt5/H4w7TxoFms+ywmm1wV4Mx2tWqbzOWg2tcoq/Z47n4z/lZorhd1uR3FxMW11G4acnBxs3rwZc2g/ZpvNhhkzZqC0tBS8OXhUVBQGaU3HxMREdHd3Izc3FwkJCeZejJ/SxhXAS3YXcqJRCmzduhV5eXk4ePAgFi9ejH379mlb6HZ1dWHNmjV47bXX0NPTg7Vr12LHjh3gLXYLCwvRR689sP+lMgHwUikt5/GqgAAoYFxWBdwA5N3LU1NTtQtqp13Nq2mTaG5LiF1UIJ02zWaNgqnHzlVYZWUlmpv97xS6adMmrFq1SmT0osAIgDNnzkRMzOg93LixKhA6lfOlUVlZGZqafL9KsGHDBqxbt87Pbu+Tl00NQO4pFRQUaCo4HA50dnaO9IT4/8ePH5+8Cg3duatG/BEDx416tgHapPvo0aM+NRIAfeOjAciRj3+72YZ/m7Ozs7UuOxvnjCa7cdWbkeEcpamqqkJtba32f/58LI0EwDEA5K+HhaypqdG8OSGZlka5OgFQ08AVQG731dXVITw8XKspuL3sr5kiACoA6OkiALor4g1A1VpBABQAVVnx6ScABiyh1wJ85gElAkoEHB/k3EsVABVVlgioKJRONwFQUTABUFEonW4CoKJgAqCiUDrdBEBFwQRARaF0ugmAioIJgIpC6XQTABUFEwAVhdLpJgAqCiYAKgql000AVBRMAFQUSqebAKgomACoKJRONwFQUTABUFEonW4CoKJgAqCiUDrdBEBFwQRARaF0ugmAioIJgIpC6XQTABUFEwAVhdLpJgAqCiYAKgql000AVBRMAFQUSqebAKgomACoKJRONwFQUTABUFEonW4CoKJgAqCiUDrdBEAS7GxHE860N46S7rbUWSOfCYA6yVJ0FwBJqJP2OrxadnCUZM/OWyEAKoJk1E0AHFLu0eJtbhouScjCA1kLBECjZCkepwQgr5J1NRuvcvCnmhK4roo6PToZM2JsSElJ0RYV4uVLhhdvGl4ZQVUTeTHdt1JKAKoKPVH9fC3AlJ+fry2/4WkCoHlPWgAkLXlt5BMnToxSVQA0DzRfJfkEMDo6WlvA+mo3XqC7oaFBW6jb07jq5SrYQnvLDX/PP3kxoo4O9V2Unn/xZdgjv0PFBznXCKS//Me5SPvQZyPf8VVc/F7zH/LVFkp3PVb7t8dnXs/Bhw2da/i8LuU4vxs6L/07OcaK7kWfoD+t0vnp8DVrRfD1Dnl7+1z7bPgYl5/ah+6fW6zBkCV6DfyGMap6Vs3n5e2KiooMnMn3Id5+YUw9wSUoLDYuVgA0orNeAI2cYzyP4fUNee2fK8EkAhp4ChMZwFdffVXbjoE7XlarFSEhIdoKr0uWLDGgROCHCIAGNJzIAHJKiJcXXr58ubaPyMaNG8Ht/dWrVxtQIvBDBEADGk5kAA3c7rgeIgAakFcANCCaj0MEQANaCoAGRBMAzRNNADRPS4mABrQUAA2IJhHQPNEEQPO0lAhoQEsB0IBoEgHNE00ANE9LiYAGtBQADYgmEdA80QRA87SUCGhASwHQgGgSAc0TTQA0T0uJgAa0FAANiCYR0DzRBEDztPx/Zf0y/Os+v+oAAAAASUVORK5CYII=t - tap on / off
p - plug in / out
m - man in / out
s - sing / silent
z - reveal / hide original graphics
This program was first created by the Investigations into Teaching with a Microcomputer as an Aid (ITMA). It was designed by Hugh Burkhardt, Richard Phillips and Malcom Swan. It was programmed by Richard Phillips for one of the first computers used in schools, the Research Machines 380Z.
The program and its accompanying guide was published by Longman in 1982.
A 2015 version for mobile phone was created by Richard Millwood, and this is derived from that.
Read more aout it and some of the other software made by ITMA at the National Archive of Educational Computing.
www.naec.org.uk/artefacts/software/micros-in-the-mathematics-classroom#section-9
out
time1plot-point
0.25
30
-125
water-level-changed
man-sings-or-quietquiet
water-level-changed
man-sings-or-quietquiet
offoutoutquiet0132