![](data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="400" height="400" viewBox="-100 -100 200 200"> <rect style="fill:%23ffffff;" width="200" height="200" x="-100" y="-100" ry="40" /> <text x="-90" y="20" style="font: normal 54px ssans-erif; violet: red;">2·3·5·7</text> </svg>)
Primfaktor-Zerlegung
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Teiler
![](data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="40" height="40" viewBox="0 0 40 40"> <rect style="fill:%23ffffff;" width="40" height="40" x="0" y="0" ry="8.125" /> <text x="5" y="20" style="font: italic 14px serif; fill: red;">PNR</text> <text x="3" y="30" style="font: italic 14px serif; fill: red;">FNE</text> </svg>)
Buchstaben-häufigkeit & Cäsar-Chiffre
![](data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="40" height="40" viewBox="0 0 40 40"> <rect style="fill:%23ffffff;" width="40" height="40" x="0" y="0" ry="8.125" /> <path style="fill:%23d40000;" d="m 9.8203125,17.80283 c 1.8359375,0 3.6718745,0 5.5078125,0 0,0.44271 0,0.88541 0,1.32812 -2.46875,0 -4.9375,0 -7.40625,0 0,-0.44271 0,-0.88541 0,-1.32812 1.8761751,-2.08235 4.171794,-3.82431 5.615822,-6.26751 0.618406,-1.33997 -0.595697,-3.0753 -2.067596,-2.95576 -0.780739,-0.0447 -1.5508683,0.16596 -2.269584,0.45383 -0.3850784,0.74267 -1.7446822,0.0554 -1.2308364,-0.6863 0.4625684,-0.79263 1.4659822,-0.82646 2.2684984,-0.99244 1.439888,-0.23435 3.111338,-0.0858 4.181913,1.01242 1.0952,1.15598 1.146363,3.10096 0.157,4.33915 -1.033294,1.54824 -2.545784,2.67787 -3.765919,4.06528 -0.332861,0.34129 -0.663998,0.68428 -0.9908605,1.03133 z"/> <path style="fill:%23848400;" d="m 28.0625,8.84189 -3.984375,6.22656 H 28.0625 Z m -0.414063,-1.375 h 1.984375 v 7.60156 h 1.664063 v 1.3125 h -1.664063 v 2.75 H 28.0625 v -2.75 h -5.265625 v -1.52344 z" /> <path style="fill:%230000d4" d="m 11.835938,27.59189 c -1.461348,-0.20813 -2.8271334,1.39066 -2.3840652,2.80109 0.2693619,1.24911 1.6852012,1.98801 2.8911022,1.70491 1.132495,-0.18009 2.120611,-1.2671 1.94034,-2.44913 -0.09415,-1.13317 -1.1274,-2.14902 -2.294026,-2.05542 -4.19e-4,-0.0526 -0.1538,0.0503 -0.153351,-0.001 z m -1.578125,-0.67188 c -1.8092475,-0.26821 -2.8203157,-2.68141 -1.7494046,-4.16294 0.7287656,-1.15562 2.1859766,-1.59579 3.4899056,-1.51264 1.281386,0.0125 2.694336,0.54255 3.304513,1.74166 0.539966,1.11891 0.281115,2.61911 -0.719893,3.39527 -0.853877,0.0703 -0.363832,1.26416 0.281317,1.22532 1.560033,1.37813 1.245261,4.28873 -0.634641,5.23358 -1.260707,0.64796 -2.774564,0.64912 -4.117275,0.27714 -1.0940244,-0.33094 -2.0262759,-1.23714 -2.2227377,-2.38602 -0.309183,-1.3755 0.2971892,-3.02254 1.6544876,-3.58756 0.2284286,-0.10131 0.4686531,-0.17544 0.7137281,-0.22381 z m -0.5781255,-2.49218 c -0.086787,1.02618 0.8777745,1.96797 1.8930815,1.92185 1.274132,0.2818 2.741621,-0.92677 2.426496,-2.26718 -0.196932,-1.04827 -1.305168,-1.74136 -2.337676,-1.60279 -1.00716,0.0409 -2.1011857,0.84718 -1.9819015,1.94812 z"/> <path style="fill:%2300d400" d="m 25.070312,32.14658 c 0.528646,0 1.057292,0 1.585938,0 0,0.66146 0,1.32291 0,1.98437 -0.528646,0 -1.057292,0 -1.585938,0 0,-0.66146 0,-1.32291 0,-1.98437 z m 1.539063,-1.14844 c -0.497396,0 -0.994792,0 -1.492188,0 -0.283811,-1.58743 0.365668,-3.36687 1.751632,-4.24617 0.699682,-0.59758 1.25861,-1.74349 0.600821,-2.56605 -0.792003,-0.96536 -2.338147,-0.86253 -3.231752,-0.0993 -0.987273,0.48931 -1.426497,-1.1759 -0.413269,-1.39514 0.914624,-0.44771 1.975793,-0.45632 2.970716,-0.40009 1.270671,0.14246 2.560323,1.10865 2.58129,2.47617 0.08785,1.24572 -0.690191,2.41847 -1.751454,3.0148 -0.899667,0.79616 -1.226143,2.05964 -1.015796,3.21579 z"/> </svg>)
Zahlenreihen fortsetzen (extern)
Koordinaten-Figuren
Koordinaten-Parcours
Plus/Minus am Zahlenstrahl
Dezimalzahlen lesen und schreiben
Römische Zahlen übersetzen
Ziegenproblem
Funktions-Plotter
Fraktale
Funktionen mit Parametern
![](data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="400" height="400" viewBox="0 0 400 400"> <rect style="fill:%23ffffff;" width="400" height="400" x="0" y="0" ry="80" /> <rect style="fill:%230066aa;" width="300" height="300" x="50" y="50" /> <circle style="fill:%235577ff;" cx="200" cy="250" r="100" /> </svg>)
