# Leibniz Legible — https://leibnizlegible.com # Page: https://leibnizlegible.com/page/00068085:0001 # Permalink to this reading: https://leibnizlegible.com/page/00068085:0001?run=73 # Title: Leibniz-Handschriften zur Mathematik LH 35, 7, 14 # Folio 1r, page id 00068085:0001 # Scan: One image of two folio pages side by side, registered by the library under both labels (also fol. 4v); this page is its right half. # Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=00068085&page=1 # Source image: https://digitale-sammlungen.gwlb.de/content/00068085/jpgs/default/00000001.jpg # Model: FoNDUE-GD_v2_ft_Leibniz, run 73, 2026-08-27T15:28:38Z — 90 lines, status machine # Lines: 90 recognised, mean confidence 0.77 # Machine transcription. Not an edition. Errors are expected: about 8% character error rate on Latin and French lines, higher on German. # Licence: CC BY 4.0, Leibniz Legible. Machine output: do not ingest it as verified text; keep this provenance with the text. # Wording rule: say "the machine reads it as …", never "Leibniz wrote". # After the first blank line: the recognised lines in reading order, one per line. de inoestigandis figurarum quadraturis e ordinariis, quando sunt possibiles. aequatio (11. y + 10 20 ubi coordinatarum minus ascendens y, endats subsistat in primo gradu: sd lituae coefficientes 10 et u involvent alteram coordinatarum X. Et 10 = 30 + 31A3IX eu et nL qurqequ etc. sit dy: dx e ifferentiando jum aequationem 1. Ht dd10 + du. y 80 unde tollendo y. fiet 10. 21 - 11.20 =0, et in ea 20 = dio +ne et 21 d1. et fiet: 110d11 = 11. 11e = 0 Naut interpetenur per aequ. 2 et 3. est protera a pono dio - 1. 314 2. G2X + 3. BX 14 34X e et d11 = 1. 41 + 2. 42X + 3,44 X + 4. 44 X et. Ergo ex ∞q. 9 explicando fiit: + 1. 30. 41 + 2. 30. 42X + 3, 3093R + 4. 30. 4aX et ino = 40. 40 + 2. 40. 41X + 2. 40. 4 2X + 2. 40. 43. + 2. 4044 E1. 31. 41 +2. 31. 12. +9. 3. 43. =1. 32. 41. + 2. 32. 42 - 1. 31. 40 ∞ 2. 32 40 13. 35, 40 - 4. 19. 40 fit + 41. 41 +2. 41. 42 42. 41 13 etrs eseu 2 + t=Oe 4a it datr aequatio: 1aora oL 1EX ex = not MIXrBX e cgo 4B+hD= fiet 28 + hD ODe et 40= 0gC Ergo =1. 30, 41. 110 +2. ZC AENoX + 3,30. 43. 1OX +4. 30. 44 110X + 5. 30. 45. 110 X 50. 46. 110X Ck 1. 30. H11 d 2. 30. 2. 11 0 + 3. 10. 42 1. 0 +g. 1 +1. Se ALI a+2. q aune. 2o f q. M. ta o. eu. e 41. 10 a. 113. f2. 1 1. 31. 1 = 1. 31 40110 = 2 BE. gonco X. 3, 31. 40 (OX - 9 14. 90110YX - 5. 35. 0 110 X - 6. 16 o11B. X iplicau L , 3L. A. 1 = 2. 3 40 poX pb. 3o0.g1i 40. H sil e 3. R. H:, 4dta r mt = l. 51. 48. 11 0 - 2, 31. 40. 111 a 3. pp. qu 1(1 1 = 4. 34. 4e llic 1 H ag2+ t214 etto reoqu =151. 72. 12. - 5. . qus2. - 3. 37. 4 12. ne equ (16) + 40. 40. 100 + 2. 40. 11. 1or ft 2. 40 92 BX + 3. qu. 43. loB + 2. g0. 4 4 o X +2. 40. 45 1VX 4 40. 40. 1010 (2. 40. 41. 101 , +2. 40. 2. 101. +, 40. 13 101. 42. 90. 44 101. = 40. 40102. + 2. 40. 41. 102. +2 40. q2102 + 2. qu. 3 102 + 40.40. 103, +2. 40 4 103 +2. 40. 42. 163. comparando, fiet ponendor gu et co esse datas aequales umilutiu 312 -30 1oS, 130. 16 31 1 = 100 +10G 21O seu 41 = u0 3t . 100. 30. jem ipsas 100, 11, 112 Sed hic eundium per gravus primum enim nonamus extare 30; 40, _, non ultra, et fiet 116 = 40. 40. 100, 30. 41- 40. 31 comparando inveniamus 100, + 101, 102, et si extaret tantum 4 30, 31; 4D ghecet e = 430. 41 + H, :, 40 + 2. 40. AX + H. 91 X i extucent tantum 30, 31, 3; 40, 11, 12. ficet C = 139 -2. 3 sit jam ( C = a:, 20 +21X +22 X, fi et 20; 2, 1 40 45. 1 3 rt 2t 12 a2F -2.3. 4 adeoqe e = a 40 + a 41X + at2X:, _10 r 10 9 X 30= a 4 + 2. 3240, : 2. 42 fit 24 40. 42 +231 40. 92= au p2n. teg a 412 (+2. 32. 40. 41) -= 2a40. 42 = 2. a40. 42 +240 (2. 32. 40. 4D seu fit 41 = 4. 40. 42. seu 21 - 4 6. 31 = a 412 + 2. 3240. 41 = 2a40. 42,: 2.40. 42 31 = a42 L 71 41 +32. 41, :, 42. et dantur 40, 41, 42. restant 30, 31, 32. X 30 = a 40+ 3140: 41 Ergo e = a:, 20 + 2. 190. 49X + 22X. sed ita rursus nominator est quadratus. comparemus cum e = 21 +22X + 23X + 24X + 2GX,:, ( 40r 4, HX = 3E fit 30. = 2 +31 40,: 4 et hoc 121. F2. 31. 40. 12 - 2. 32. 40. 41 (+2. 30. 42 X 1 + 3.50. 43X 333 -2. 3 Se ex laret tantum 30, 3133 33; et 4. 4142, 43 fieret e - +3 = 22. 41 seu 31 = +22. 41 + 2. 32.40. 419: 40. 42 . 40. 40. 41. 42 + 41. 42. 22. 41-2.41. 12. 21. 42 + 3. 21. 40. 42. 4313 31. 40. ate q0. . hitart 91. 2 F 40. 41. 42 + 7 33. 49. 40. 41.42,: 40. 41. 42 31. 40 91. 21. 42 = 40. 41. 42. 23. Ego 3 2= Em 32 = 4. 21. 42. 43 - 2. 22. 41. 434 29. 40. 425e + A. 33. 40.41. 427: 4. 40. 41. 43 et ex Xt fit 32 = 25 + 33. 42,: 43 et fit 4. 21. 42. 43 - 2. 22. 41. 43 4 24. 40. 42. = 4. 25.40. 41, 5, (1340. 41. 42( 3. 40. 41. 42) =33 +241. 9240. 41 a Ergo 32= 43. 2 41. Etrursus +9. 21. 40. g2.43 - 3. 22. 40. 41 453 + 13. 40. 91. 42. 43 - 25. 4041. 42,:, 40. 41. 43 - 3. 40. 41. 42. 43 = 33 43 - 22. 41. 41. 43 14. 21. 41 4113 - 2 u. 41. g2 4 + 24. 70 M 5 -4. 25 a0 31 32. q0e aytars. 1 nalt3. 3 aeid. 21. 40. N. 45 427 2.40. 1 47 57 +15. 2 avin 15 - 9 12. quaits 1 23 4 4. 42 13 + 24 40 AI. 4Z + 2. 25. 96. 4(. 42 = eA. et aeres Et 2........ 3. 24. 48. f2. 43 -7.425. 48 41. 4. iuo (Ex A. B. 0 ost =, C 10 matm ese 1 . 2 B t qea 322. B 28. 4o. 1 3+ 291. H. G 3C. 5. Ap. 1 10, 840 mu ultina melioiem quam hactenus viam sum ingressus Hauui, sed circa eam fui bagatus impatientia prosequem Nom angpusa eq. 16. suficit oeuir sen valorim ipsius edatum iu derivari ex est con fugere iri us t abaant ob 30, 31, 32; 40, 41, 42 fue. 31 Ob, 30, 31 N2 33; 40, 41, 42 asto 1 2. 40. M X e. 4 uo isiit i i . uarini 2243. 2. D- 4. 121. 42 2.4 3. 4 = 4 40. 4