First calculator with gamma function ? HP or otherwise ?
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08-23-2017, 07:45 PM
(This post was last modified: 08-23-2017 07:50 PM by Dieter.)
Post: #15
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RE: First calculator with gamma function ? HP or otherwise ?
(08-18-2017 04:16 PM)Gene Wrote: ...and page on the Kingspoint SC-60 from 1975 with gamma! Quote from that site: "Parmi les fonctions traitées, on trouve notamment la Gamma, la distribution normale 1-Q(X), ..." I wonder how these functions were calculated. Did the SC-60 really return full-precision results for Gamma resp. the Normal CDF? I remember a Commodore manual from that era (SR-61) which stated error bounds for the normal distribution that match the well-known Hastings approximations, i.e. the inverse was only good for three decimals. Unlike the later HP-32E. ;-) So how was it done on the SC-60 ? Dieter |
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