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Uimhríocht

TearmaMíniúSampla
Céatadán brabúis nó caillteanais (Percentage profit or loss) An céatadán de airgid a dhéantar nó a chailltear ar earra. Sampla: cósta- €1.40 %brabúis-0.35/140 x 100= 25% brabúis €1.75- €1.40= 0.35 praghas ar díol= €1.75.
Comhréir dhíreach (direct proportion) Nuair a athraíonn na uimhreacha atá sa chothromóid ach fanom an coimheas maron gceanna. uair € 2 8 (i) (i)2x12=24
Erráid Choibhneasta (Relative Error) Muna bhfuil an figure fíor tugtar erráid choibhneasta air Erráid/ Luach fíor
Erráid Chéatadánach (Percentage Error) Ma tá an luach meadaigh fa 100 tugtar seo air earraid/luach fíor x 100/1
Ollcháin ( Tollerance) Ní chaitheadh rud a bhí furfha. Is feidir earráid a bheith ann Raitheadh ploigaid isteach má tá sé 0.3mm ró bheag ach ní raitheadh má tá sé 1cm ró bheag
Cuimse Íochtair (Lower Bound) Nuair atá an achar 25.5cm agus 24.5cm
Creidmheas cánach (Tax credit) €4,500 = Gross tax - 2400 Gross tax = €4500+€2400= €6900
ús íolraithe (Compound Interest) The €100 is called the principal 5% is called the rate per annum
Bunairgead (Principal) 18/300 x 100/1 = 18/3 = 6% Nuair atá €300 infheistaigh fa choinne bhlian amháin ag 6% per annum ansin tá an infhesitaigh ag €300x0.06%= €18
Dímheas (Depreciation) Nuair atá an cár €25,000 agus bliantúil an luach ag 15% achan bhlian. €25,000 x 15% = €3,750 €25,000 - €3,750 = €21,250
Foirm Chaighdeánach (Standard Form) Nuair atá uimhireacha A x 10n ag 1 Seo áit atá scríobhta nuair atá uimhreacha os comhair 1 agus 10
CBL (VAT) Seo cain a cuireann an rialtas ar earraí CBL = 20% Leabhar = €40 x 20%= €8 €40+€8= €48
Brabús agus Cailluint (Profit and Loss) An meid airgead a deanann ar earrai nó a cailleann siad ar earraí Ceanníonn shopaí ar €30 agus díolann sé é ar €40 Brabus - €10 Ceanníonn siopaí ag €30 agus díolann é ar €20 Cailluint - €10
Bunpraghas (Cost Price) An meid a chostaíonn an earraí le ceannacht e.g €20
Praghas Díol (Selling Price) An meid airgead a fhaigheann tú nuair a díolann tú an earra e.g. €30
Rata (Rate) An ceadatan de an meid a fhaighenn tú
Meid (Ammount) Meid airgead a cuirtear isteach agus a faightear
Ús Bliantúil (Annual Interest) An ús a fhaightear dón blian
Compound Interest Tá €500 sa comhar creidmheasa
Figúirí bunúsacha (Significant figures) Ag slánú uimhreacha Má bhíon 34,176 duine ag cluiche peile, scríobhtar é mar 34,200 nó 34,ooo
Created by: matapsgd