Microsoft lissafi? babban kayan aiki ga dalibai (2)
Muna ci gaba da koyon yadda ake amfani da mafi kyawun (Ina tunatar da ku: kyauta daga sigar 4) shirin Microsoft Mathematics. Za mu yarda cewa a takaice za mu kira shi kawai MM.
Mai ban sha'awa sosai? kuma dadi? Ayyukan shirin shine ikon yin amfani da wasu "shirye-shiryen da aka yi". A cikin shafin "Formulas and Equations"? akwai jerin dabaru da ma'auni waɗanda ɗalibin makaranta ya taɓa sani da zuciya. Kuma a yau waɗannan su ne haɗin haɗin da ya kamata a sani, amma lokacin amfani da MM ba sa buƙatar sharewa daga ƙwaƙwalwar ajiya (wanda zai iya haifar da kuskure, misali, sakamakon latsa maɓallin da ba daidai ba). Muna da dukkan su a shirye. Lokacin da ka danna shafin da aka kayyade, jerin dabarun za su buɗe, an kasu kashi-kashi: Algebra, Geometry, Trigonometry, Physics, Chemistry, Laws of exponents, Properties of logarithms and Constant (Algebra, Geometry, Physics, Chemistry, Exponential Law, Properties na logarithms). da akai-akai). Misali, bari mu bude rukunin Algebra. Za mu ga wasu alamu; zabi na farko, wannan ita ce dabarar tushen ma'auni. Ga dabarar:
Danna dama akan shi (ko wani) zai buɗe ƙaramin menu na mahallin; ya ƙunshi umarni ɗaya, biyu ko uku: kwafi, ginawa da warwarewa. A wurinmu, akwai umarni biyu: kwafi da yin baftisma; Ana amfani da kwafi don gabatarwa (ta amfani da umarnin manna, ba shakka) samfurin da aka zaɓa a cikin aikin da aka rubuta. Bari mu yi amfani da umarnin makirci ("Gina wannan lissafin?"). Anan ga allon sakamako ( adadi yana iyakance ga ɓangaren aiki): A gefen dama, muna da jadawali na ma'auni na quadratic a cikin nau'i na gaba ɗaya, wanda aka kwatanta da maganin da muka yi amfani da shi. A gefen hagu (akwatin da aka zagaye da ja) yanzu muna da siffofi biyu masu ban sha'awa: Trace da Animate.
Yin amfani da na farko daga cikinsu zai motsa batu zuwa dukan jadawali, yayin da za mu gani? ainihin dabi'u na daidaitattun daidaitawa. Tabbas, za mu iya dakatar da raye-rayen bin diddigin kowane lokaci. Sa'an nan za mu ga wani abu kamar haka a cikin filin makirci:
Kayan aikin Animate yana ba ku damar samun ƙarin sakamako masu ban sha'awa. Lura cewa a farkon jerin zaɓuka masu gani muna da siga a (a cikin uku a cikin lissafin: a, b, c) kuma kusa da shi ƙaramin ma'aunin nuni yana nuna ƙimar 1. Ba tare da canza zaɓin sigina ba. Ɗauki madaidaicin tare da siginan kwamfuta kuma matsar da shi zuwa hagu ko dama; za mu ga cewa jadawali na ma'auni huɗu yana canza siffarsa dangane da ƙimar a. Fara wasan kwaikwayo tare da maɓallin kunnawa da aka sani zai yi tasiri iri ɗaya, amma yanzu kwamfutar za ta yi duk aikin saita ma'aunin nunin mana. Tabbas, kayan aikin da aka kwatanta shine kayan aiki mai kyau don tattaunawa akan yanayin sauye-sauyen aikin quadratic. Za ki iya ? da wani karin gishiri? sun ce yana ba mu dukkan ilimin game da murabba'in triangles a cikin "kwal ɗin kwamfutar hannu" guda ɗaya.
Ina gayyatar masu karatu da kansu don yin irin wannan yunƙurin yin amfani da wasu dabaru daga rukunin dabarun algebra. Ya kamata a lura da cewa a cikin wannan rukunin kuma za mu iya samun dabaru masu alaƙa da ilimin lissafi na nazari? misali, tare da lissafin wasu ƙididdiga masu alaƙa da sphere, ellipse, parabola ko hyperbola. Sauran hanyoyin da ke da alaƙa da lissafi ya kamata a same su a zahiri a cikin rukunin Geometry; me yasa marubutan shirin suka sanya bangare a nan suka rabu a can? sirrin su mai dadi?
Formula a fannin kimiyyar lissafi da sinadarai suma suna da matukar amfani, suna ba ku damar yin lissafin daban-daban masu alaƙa da waɗannan ilimomin tare da taimakon MM. Ta yaya wani ke da kwamfutar tafi-da-gidanka ko ma kwamfutar tafi-da-gidanka mai amfani (kuma yana koyarwa tare da malamin da ba na al'ada ba?)? tare da shirin MM da aka ɗora akan wannan na'urar, bai kamata ya ji tsoron kowane gwaji daga ainihin ilimin kimiyya ba? To, aikin gida fa? murna kanta.
Bari mu matsa zuwa kayan aiki na gaba, wanda kawai ake amfani da shi don nazarin triangles. Daidai a nan: Bayan dannawa a cikin wurin da aka nuna, wata taga daban daban na Triangle Solver zai buɗe:
A wurin da aka yiwa alama da jajayen kibiya, muna da akwatin saukarwa tare da zaɓuɓɓuka uku don zaɓar daga; Kullum muna farawa daga na farko, shigar da uku daga cikin dabi'u shida a cikin filayen da suka dace (bangaren a, b, c ko kusurwa A, B, C?, ta tsohuwa a ma'aunin radial). Bayan shigar da waɗannan bayanan, za mu ga zane na triangle mai dacewa a saman idan muka zaɓi dabi'u waɗanda ba su dace da kowane triangle na yanzu ba? gargadin kuskure zai bayyana.
Yin amfani da jerin zaɓuka da aka ambata a wannan wuri, za mu gano (a cikin zaɓi na biyu) wane triangle muka gina - rectangular, angular, da dai sauransu? daga na uku muna samun bayanan lambobi akan tsayin da ke cikin wannan triangle da kuma yankinsa.
Shafi na ƙarshe da ake samu akan ribbon na Gida shine Unit Converter, watau naúra da ma'auni.
Yana bayar da kayan aiki masu zuwa:
Yin aiki tare da wannan kayan aiki yana da sauƙi. Da farko, daga menu na sama, zaɓi nau'in naúrar (a nan Length, watau tsayi), sannan a cikin ƙananan filayen da aka zazzage saitin sunayen raka'o'in da za a canza? ce kafa da santimita? A ƙarshe, a cikin taga "Input", muna saka takamaiman ƙima, kuma a cikin taga "Output", bayan danna maɓallin "lissafi", muna samun sakamakon da ake so. Trite, amma yana da amfani sosai, musamman a ilimin lissafi. Wani lokaci ? tare da ɗan ƙaramin ci gaba na iyawar MM.
